Lennox Allied Air A96UHMV Скачать руководство пользователя страница 60 | Manualshive

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506550-01

Page 60 of 66

Issue 1230

Troubleshooting : Heating Sequence of Operation (continued)

Call for High Fire With Two Stage Thermostat

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Содержание Allied Air A96UHMV

Страница 1: ...est Columbia SC 29170 Unit Dimensions 2 Parts Arrangement 3 Gas Furnace 4 Shipping and Packing List 4 Safety Information 4 Use of Furnace as a Construction Heater 5 General 6 Setting Equipment 6 Filte...

Страница 2: ...D size units that require second stage air volumes over 1800 cfm 850 L S must have one of the following 1 Single side return air with transition to accommodate 20 x 25 x 1 in 508 x 635 x 25 mm air fi...

Страница 3: ...506550 01 Page 3 of 66 Issue 1230 A96UHMV Exploded View Figure 1...

Страница 4: ...pane gas can lose its scent In case of a leak LP Propanegaswillsettleclosetothefloorandmaybedifficult to smell An LP Propane leak detector should be installed in all LP applications Use only the type...

Страница 5: ...its are not recommended for construction heater during any phase of construction Very low return air temperature harmful vapors and operation of the unit with clogged or misplaced filters will damage...

Страница 6: ...t supersede local codes in any way Consult authorities having jurisdiction before installation In addition to the requirements outlined previously the following general recommendations should be consi...

Страница 7: ...MENT Figure 5 UNIT MUST BE LEVEL SIDE TO SIDE IN ALL APPLICATIONS FOR PROPER OPERATION A SLIGHT TILT TOWARD THE DRAIN IS RECOMMENDED FOR PROPER DRAINAGE TILT THE UNIT SLIGHTLY MAX 1 2 FROM BACK TO FRO...

Страница 8: ...See Figure 6 Optional Return Air Base Upflow Applications Only NOTE Optional side return air filter kits are not for use with return air base 1 Both the unit return air opening and the base return ai...

Страница 9: ...door must never be used as a portion of the return air duct system The base must provide a stable support and an airtight seal to the furnace Allow absolutely no sagging cracks gaps etc For no reason...

Страница 10: ...ssary clearances See Figure 11 2 Construct a raised wooden frame and cover frame with a plywood sheet If unit is installed above finished space fabricate an auxiliary drain pan to be installed under u...

Страница 11: ...on by reflected light of the heat exchanger for leaks after the furnace is installed If present this access panel must always be in place when the furnace is operating and it must not allow leaks into...

Страница 12: ...sources of ignition Do not use excessive amounts of solvent cement when makeing joints Good ventilation should be maintained to reduce fire hazard and to minimize breathing of solvent vapors Avoid co...

Страница 13: ...end of pipe and inside socket surface of fitting Cement should be applied lightly but uniformly to inside of socket Take care to keep excess cement out of socket Apply second coat to end of pipe NOTE...

Страница 14: ...are discharged outdoors Intake and exhaust pipe sizing Size pipe according to Tables 4 and 5 Table 4 lists the minimum vent pipe lengths permitted Table 5 lists the maximum pipe lengths permitted Rega...

Страница 15: ...vent systems which include multiple pipe sizes Do not use screens or perforated metal in exhaust or intake terminations Doing so will cause freeze ups and may block the terminations IMPORTANT EXHAUST...

Страница 16: ...506550 01 Page 16 of 66 Issue 1230 Table 5 MAXIMUM ALLOWABLE VENT LENGTH feet...

Страница 17: ...TYPICAL EXHAUST PIPE CONNECTIONS AND CONDENSATE TRAP INSTALLATION IN UPFLOW APPLICATIONS Figure 18 Figure 19 TYPICAL EXHAUST PIPE CONNECTIONS AND CONDENSATE TRAP INSTALLATION IN HORIZONTAL AIR APPLIC...

Страница 18: ...as furnace is designed for combustion air intake through an inlet in the unit s top cap Intake air piping is independent of exhaust piping TYPICAL AIR INTAKE PIPE CONNECTIONS IN HORIZONTAL DISCHARGE A...

Страница 19: ...506550 01 Page 19 of 66 Issue 1230 VENT TERMINATION CLEARANCES FOR DIRECT VENT INSTALLATiONS IN THE USA AND CANADA Figure 22...

Страница 20: ...nother side of the house or structure 2 Intake and exhaust pipes should be placed as close together as possible at termination end refer to illustrations Maximum separation is 3 76 mm on roof terminat...

Страница 21: ...ed every 24 610 mm as shown in Figures 24 and 25 In addition close coupled wall termination must be extended for use in this application See Figures 24 and 25 When exhaust and intake piping must be ru...

Страница 22: ...506550 01 Page 22 of 66 Issue 1230 DIRECT VENT CONCENTRIC WAL TERMINATION 71M80 69M29 OR 60L46 US 44W92 or 44W93 Canada Figure 27 Figure 28 FLUSH MOUNT SIDE WALL TERMINATION 51W11...

Страница 23: ...nsate and blockage of drain line If this is not possible a heat cable kit may be used on the condensate trap and line Heating cable kit is available in various lengths 6 ft 1 8 m kit no 26K68 24 ft 7...

Страница 24: ...in from the condensate trap DO NOT connect the condensate trap drain into the drain line from the evaporator coil CAUTION Figure 34 UNIT WITH EVAPORATOR COIL CONDENSATE TRAP LOCATIONS Unit shown in ho...

Страница 25: ...outside the furnace cabinet The flexible connector can then be added between the black iron pipe and the gas supply line CAUTION Do not exceed 600 in lbs 50 ft lbs torque when attaching the gas pipin...

Страница 26: ...26 of 66 Issue 1230 Figure 36 NOTE BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET Horizontal Applications Possible Gas Piping Configurations Figure 37 NOTE BLACK IRON PIPE ONLY TO BE ROUTED INSI...

Страница 27: ...st fan Close fireplace dampers 4 Follow the lighting instructions Turn ON the appliance that is being inspected Adjust the thermostat so that the appliance operates continuously 5 After the main burne...

Страница 28: ...size according to unit nameplate NOTE Unit nameplate states maximum current draw See table for maximum over current protection 2 Holes are on both sides of the furnace cabinet to facilitate wiring 3 I...

Страница 29: ...ff differentials and adjustable stage timers The following is a two stage thermostat setup for optimal variable rate capacity mode First heat stage differential set to 1 2 to 1 F second heat stage dif...

Страница 30: ...506550 01 Page 30 of 66 Issue 1230 Low Voltage Field Wiring Table 11 R required on some units...

Страница 31: ...506550 01 Page 31 of 66 Issue 1230 Low Voltage Field Wiring Table 11 R required on some units...

Страница 32: ...506550 01 Page 32 of 66 Issue 1230 Low Voltage Field Wiring Table 11 2 Stage Single Stage...

Страница 33: ...506550 01 Page 33 of 66 Issue 1230 TYPICAL WIRING DIAGRAM Figure 40...

Страница 34: ...506550 01 Page 34 of 66 Issue 1230 Integrated Control Figure 41...

Страница 35: ...fault setting See Table 12 Switch 3 Second Stage Heat On Delay If a single stage thermostat is used the integrated control can be used to energize second stage heat after either 7 minutes or 12 minute...

Страница 36: ...Speed Ramping Blower speed ramping may be used to enhance dehumidification performance The switches are factory set at option A which has the greatest effect on blower motor performance Table 16 provi...

Страница 37: ...LED This button is used to enable the Error Code Recall mode and the Field Test mode Press the button and hold it to cycle through a menu of options Every five seconds a new menu item will be displaye...

Страница 38: ...506550 01 Page 38 of 66 Issue 1230 BLOWER DATA...

Страница 39: ...506550 01 Page 39 of 66 Issue 1230 BLOWER DATA...

Страница 40: ...506550 01 Page 40 of 66 Issue 1230 BLOWER DATA...

Страница 41: ...506550 01 Page 41 of 66 Issue 1230 BLOWER DATA...

Страница 42: ...506550 01 Page 42 of 66 Issue 1230 BLOWER DATA...

Страница 43: ...506550 01 Page 43 of 66 Issue 1230 BLOWER DATA...

Страница 44: ...506550 01 Page 44 of 66 Issue 1230 BLOWER DATA...

Страница 45: ...506550 01 Page 45 of 66 Issue 1230 BLOWER DATA...

Страница 46: ...506550 01 Page 46 of 66 Issue 1230 BLOWER DATA...

Страница 47: ...506550 01 Page 47 of 66 Issue 1230 COOLING OPERATING SEQUENCE A96UHMV and Single Stage Outdoor Unit Table 19...

Страница 48: ...506550 01 Page 48 of 66 Issue 1230 COOLING OPERATING SEQUENCE A96UHMV and Two Stage Outdoor Unit Table 20...

Страница 49: ...s is heavier than air and will settle on the floor The gas valve on these units are equipped with a gas control switch Use only your hand to move the control switch Never use tools If the switch will...

Страница 50: ...ovides access to the supply pressure tap Remove the threaded plug install a field provided barbed fitting and connect a manometer to measure supply pressure Replace the threaded plug after measurement...

Страница 51: ...ox These switches check for proper combustion air inducer operation before allowing ignition trial The switches are factory set and require no adjustment Temperature Rise After the furnace has been st...

Страница 52: ...end of the recognition delay and on all subsequent calls for heat in the same heating cycle the intergrated control energizes the combustion air inducer at high speed The control also checks the high...

Страница 53: ...ducer is energized at the ignition speed which is approximately the same as the inducer speed at 70 percent firing rate 2 Once the control receives a signal that the low fire pressure switch has close...

Страница 54: ...in cap from the condensate trap and empty water Inspect the trap then reinstall the drain cap Cleaning Heat Exchanger If cleaning the heat exchanger becomes necessary follow the below procedures and r...

Страница 55: ...anel using four existing screws Make sure burners line up in center of burner ports 37 Reinstall gas valve manifold assembly Reconnect gas supply line to gas valve 38 Reinstall burner box cover 39 Rec...

Страница 56: ...be properly in place and provide a seal between the return air and the room where the furnace is installed Return air duct Must be properly attached and provide an air seal to the unit Operating perfo...

Страница 57: ...sensor failure no error if just disconnected only show if shorted or out of range 200 Rollout circuit open or previously opened 201 Circulator COM failure no error is if just disconnected only show if...

Страница 58: ...506550 01 Page 58 of 66 Issue 1230 Configuring Unit Size Codes...

Страница 59: ...506550 01 Page 59 of 66 Issue 1230 Troubleshooting Heating Sequence of Operation Ignition and Call for Low Fire With Two Stage Thermostat...

Страница 60: ...506550 01 Page 60 of 66 Issue 1230 Troubleshooting Heating Sequence of Operation continued Call for High Fire With Two Stage Thermostat...

Страница 61: ...506550 01 Page 61 of 66 Issue 1230 Troubleshooting Heating Sequence of Operation continued Call for Heat Satisfied...

Страница 62: ...506550 01 Page 62 of 66 Issue 1230 Troubleshooting Heating Sequence of Operation continued Ignition and Call for Heat with Single Stage Thermostat...

Страница 63: ...506550 01 Page 63 of 66 Issue 1230 Troubleshooting Cooling Sequence of Operation Call for Cooling...

Страница 64: ...506550 01 Page 64 of 66 Issue 1230 Troubleshooting Continuous Fan Sequence of Operation Continuous Low Speed Indoor Blower Sequence of Operation...

Страница 65: ...rvice agency or gas supplier Cabinet Parts Outer Access Panel Blower Access Panel Top Cap Control Panel Parts Transformer Integrated Control Board Door Interlock Switch Circuit Breaker Blower Parts Bl...

Страница 66: ...mum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less t...

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